John Deere 8420 VS Deutz-Allis 7145 specs comparison

John Deere 8420

General Infos

Make	John Deere
Model	8420
Country	United states
Production	From 2002  Until 2005
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	John Deere 8420 Manual

Dimensions, sizes and tires

AG front tires	16.9R30
AG rear tires	18.4R46
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	21,650 lbs or 9820 kg
Length	211.9 inches [538 cm]
Width	-
Height	122.2 inches [310 cm]
Wheelbase	118.9 inches [302 cm]
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	60 to 80 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	496 ci or 8.1 L
Cylinders	6 cylinders
Engine power	314 hp or 234.1 kW
Engine RPM	2200 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	electronic high-pressure common rail (HPCR)
Fuel tank size	160 gal or 605.6 L
Oil capacity	28.5 qts or 27.0 L
Oil change	250 h
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 8420 Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	12 V
Battries Amps	-
Cold Amps	925
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	150 amps

Clutch and gearbox specs

Trans system	John Deere PowerShift
Trans type	full power shift
Trans gears	16 forward and 4 reverse
Clutch system	hydraulic wet disc

Cabine and mechanical specs

Wheel drive	4x4 MFWD 4WD
Final drive	-
Steering	hydrostatic power
Braking system	hydraulic wet disc
Cabin type	Cab standard
Differentiel lock	-

Hydraulics specifications

System	closed center pressure-flow compensated
Valves	4 to 5
Pump flow	-
SVC flow	30 gpm or 113.6 lpm
Steering flow	-
Tank capacity	37 gal or 140.0 L
Hydraulic pressure	2900 psi or 200.0 bar
Max flow	33.5 gpm or 126.8 lpm

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	207.49 hp or 154.7 kW
Fuel consumption	13.6 gal/hour or 51.5 l/hour
Pulling power	29,964 lbs or 13591 kg

Power take-off (PTO) specs

Claimed power	235 hp or 175.2 kW
Real power	235.45 hp or 175.6 kW
Engine @RPM	540@1975 (rpm)
PTO Clutch	hydraulic wet discs
Rear PTO	independent
Rear PTO RPM	1000 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	13.7 gal/hour or 51.9 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	III/IIIN
Rear hitch lift	15180 lbs or 6885 kg
Front hitch	IIIN
Front hitch lift	11000 lbs or 4989 kg

Deutz-Allis 7145

General Infos

Make	Deutz-Allis
Model	7145
Country	Germany
Production	From 1987  Until 1988
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	Deutz-Allis 7145 Manual

Dimensions, sizes and tires

AG front tires	11.00-16 (2WD)
AG rear tires	20.8-38
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	11,905 lbs or 5400 kg
Length	185.4 inches [470 cm] (2WD)
Width	93 inches [236 cm]
Height	107.5 inches [273 cm]
Wheelbase	103.5 inches [262 cm] (2WD)
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	374 ci or 6.1 L
Cylinders	6 cylinders
Engine power	-
Engine RPM	2400 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	66 gal or 249.8 L
Oil capacity	17 qts or 16.1 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Deutz-Allis 7145 Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	6 V
Battries Amps	-
Cold Amps	-
Ground force	-
Charging system	alternator
Charging Volts	14 V
Charging Amps	90 amps

Clutch and gearbox specs

Trans system	POWERMATIC
Trans type	synchronized with partial power shift
Trans gears	36 forward and 12 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	hydrostatic power
Braking system	hydraulic wet disc
Cabin type	Detuz-Allis MasterCab standard with heat
Differentiel lock	push-button rear

Hydraulics specifications

System	open center
Valves	1 to 3
Pump flow	18.2 gpm or 68.9 lpm
SVC flow	-
Steering flow	9.7 gpm or 36.7 lpm
Tank capacity	10 gal or 37.9 L
Hydraulic pressure	2538 psi or 175.0 bar
Max flow	27.3 gpm or 103.3 lpm

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	126.60 hp or 94.4 kW
Fuel consumption	8.6 gal/hour or 32.6 l/hour
Pulling power	-

Power take-off (PTO) specs

Claimed power	144 hp or 107.4 kW
Real power	144.56 hp or 107.8 kW
Engine @RPM	-
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	optional
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	8.6 gal/hour or 32.6 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	III
Rear hitch lift	-
Front hitch	optional
Front hitch lift	-

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